2014, Number 3
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VacciMonitor 2014; 23 (3)
Advances in the characterization of a proteol iposome derived from Mycobacterium bovis BCG as vaccine candidate against tuberculosis
Alvarez-Cabrera N, Fernández-Castillo S, Serpa-Almaguer D, Serrano-Hernández D, Zayas-Vignier C, Cabrera-Arias RA, Acevedo-Grogues R, Peña-Sánchez V, Mohd-Nor N, Sarmiento-García-San Miguel ME, Acosta-Domínguez A, Pérez-Quiñoy JL
Language: Spanish
References: 24
Page: 110-116
PDF size: 284.73 Kb.
ABSTRACT
Despite efforts to eradicate tuberculosis (TB) worldwide, this remains a serious health problem.
The Bacillus Calmette-Guerin (BCG), the only available vaccine against TB, has variable efficacy
and though protects against severe forms of the disease in childhood, has a questionable role
in the protection against pulmonary tuberculosis in adults. In recent years, new TB vaccine
candidates are being developed using multiple vaccine strategies. Taking into account the
antigenic similarity of
M. bovis BCG and
M. tuberculosis, and the history of the use of
proteoliposomes in vaccine formulations, we aimed to study the potentialities of a
proteoliposome derived from
M. bovis BCG (PLBCG) as a potential vaccine candidate against
TB. The results demonstrate that a PLBCG was obtained, which was observed by different
techniques and that is composed of nanoparticulate vesicles.
Additionally, analysis by SDSPAGE followed by Coomassie stained showed the presence of several protein bands on PLBCG whose molecular size may correspond with that reported for
M. bovis BCG protein having homology to
M. tuberculosis.
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